JNPEHit.hh

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#ifndef __JFIT__JNPEHIT__
#define __JFIT__JNPEHIT__

#include "JFit/JNPE.hh"


/**
 * \author mdejong
 */

namespace JFIT {}
namespace JPP { using namespace JFIT; }

namespace JFIT {
  
  /**
   * Auxiliary class for simultaneously handling light yields and response of PMT.
   */
  struct JNPEHit :
    public JNPE
  {
    using JNPE::getP;
    using JNPE::getChi2;
    
    /**
     * Default constructor.
     */
    JNPEHit() :
      JNPE(),
      __n (0)
    {}


    /**
     * Constructor.
     *
     * \param  npe                npe
     * \param  n                  number of hits
     */
    JNPEHit(const JNPE&  npe,
            const size_t n) :
      JNPE(npe),
      __n (n)
    {}
        

    /**
     * Get number of hits.
     *
     * \return                    number of hits
     */
    inline size_t getN() const
    {
      return __n;
    }


    /**
     * Get probability.
     *
     * \return                    probability
     */
    double getP() const
    {
      return this->getP(this->getN());
    }


    /**
     * Get muon energy dependent probability.
     *
     * \param  E_GeV              energy [GeV]
     * \return                    probability
     */
    double getP(const double E_GeV) const
    {
      return this->getP(E_GeV, this->getN() > 0);
    }


    /**
     * Get chi2.
     *
     * \param  E_GeV              energy [GeV]
     * \return                    chi2
     */
    double getChi2(const double E_GeV) const
    {
      return this->getChi2(E_GeV, this->getN() > 0);
    }

  protected:
    size_t __n;    
  };
}

#endif